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31192959104 = 27243694993
BaseRepresentation
bin11101000011001111…
…101100100010000000
32222111220001111121122
4131003033230202000
51002340344142404
622155125211412
72152663530506
oct350317544200
988456044548
1031192959104
111225768094a
126066560b68
132c31592868
14171ca64676
15c287233be
hex7433ec880

31192959104 has 16 divisors (see below), whose sum is σ = 62142223470. Its totient is φ = 15596479488.

The previous prime is 31192959101. The next prime is 31192959139. The reversal of 31192959104 is 40195929113.

It can be written as a sum of positive squares in only one way, i.e., 29087984704 + 2104974400 = 170552^2 + 45880^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (31192959101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121847369 + ... + 121847624.

Almost surely, 231192959104 is an apocalyptic number.

It is an amenable number.

31192959104 is a deficient number, since it is larger than the sum of its proper divisors (30949264366).

31192959104 is an equidigital number, since it uses as much as digits as its factorization.

31192959104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243695007 (or 243694995 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The spelling of 31192959104 in words is "thirty-one billion, one hundred ninety-two million, nine hundred fifty-nine thousand, one hundred four".

Divisors: 1 2 4 8 16 32 64 128 243694993 487389986 974779972 1949559944 3899119888 7798239776 15596479552 31192959104